GUN SERVICEComponent Service Procedures 6.

a. Lubricate the tip of the packing nut, screw it into the housing and hand tighten until it stops. b. use a 3/8in. wrench on packing nut and a 9/16in. wrench on the packing housing and tighten 1/16 to 1/4 turn. c. back off then tighten a little more.

NOTE

d. back off then tighten a little more. If Packing, P/N 20507-00 and Packing Disks, P/N 20508-00 are removed from Needle and Packing Housing, GlasCraft recommends that these parts always be re-placed with NEW packings and packing disks. e. back off then snug tight you hear a “POP”.

1.

Ensure spring is seated on needle shoulder.

Needle test1. 2.

Insert needle into the packing housing . Put the tip of the needle on a hard surface and press down on the assembly to compress the spring. Release the assembly and the needle should return to it’s origi- nal position.

3.

Lubricate a teflon packing disk with red lube and slide into housing.

4.

Lubricate the retainer with red lube and slide it into the housing with the flat side entering the housing first. (Concave side entering the housing last).

2.

Turn the assembly over and place the back end of the needle on a hard surface and press down until it stops. Lift for boat up on the spring and lock inside the housing to ensure that the seal has extruded through the hole and surrounds the needle as shown.

5.

Lubricate the remaining (4) teflon disc and slide them into the housing.
21222-00 20507-00(Retainer)

22 Maintenance